Finite Group Databasebeta
Cayley diagram

#13144

order256
nilpotency class4
isoclinismisoclinic class of #2221
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#466
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC22×D8C22
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ #405 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

167 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 167 conjugacy classes of subgroups — too many to draw. Only its 63 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 36 points:

(1,2,4,3)(6,11)(7,16)(8,12)(9,20)(13,28)(14,31)(15,25)(17,19)(18,26)(21,27)(22,29)(23,24)(30,34)(32,33);(1,3,4,2)(5,6,12,24,9,14,21,25,10,15,27,31,20,23,8,11)(7,13,26,35,18,28,16,29,19,30,33,36,32,34,17,22);(5,7,8,17,20,32,27,33,10,19,21,16,9,18,12,26)(6,13,11,22,23,34,31,36,15,30,25,29,14,28,24,35)

Polycyclic presentation:

2^8|a^2=f,b^2=dfg,c^2=d,d^2=gh,e^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gh,e^c=eh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#13144, #494896, #494897, …
maximal normal subgroup ofC2×#13144, #494896, #494897, …
maximal quotient of#140172, #140197, #140231, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6132);